Modern shampoos use a mix of surfactants and other ingredients to clean, reduce irritation, and improve performance.
13 citations,
December 1983 in “Canadian journal of zoology” Heterotypic cell contacts likely help hair matrix cells differentiate during mouse hair follicle development.
Some goats get rare skin diseases from not enough vitamin E, selenium, or zinc, but they're usually still healthy.
68 citations,
May 2013 in “The American journal of medicine” Traditional Chinese medicines with heavy metals can cause severe poisoning.
6 citations,
January 2020 in “Skin Pharmacology and Physiology” HIF-1α stimulators, like deferiprone, work as well as popular hair loss treatments, minoxidil and caffeine, in promoting hair growth.